Company introduction

Company name
MIDORI PRECISIONS CO.,LTD.
Established
July, 1952
Capital
95 million JPY
Revenue
2.2 billion JPY(March, 2021)
Business
Development/manufacture/sales of potentiometers and encoders
Representative
Satoshi Nishiyama, Representative Director and President
Employees
130 (August, 2021)
Business partners
株式会社アイチコーポレーション、株式会社IHIエアロスペース、SMC株式会社、川崎重工業株式会社、株式会社小松製作所、
株式会社島津製作所、西部電機株式会社、株式会社タダノ、東京計器株式会社、ナブテスコ株式会社、日本ギア工業株式会社、
ニッパツ・メック株式会社、日立建機株式会社、株式会社日立製作所、日野自動車株式会社、三菱重工業株式会社、
三菱電機株式会社、三菱ロジスネクスト株式会社、油研工業株式会社、横河電機株式会社、ABB Ltd、CMD Corporation、
Kongsberg Gruppen、Metso Flow Control Oy、PULOON Technology Inc.、Qualitrol Corporation、Rotork YTC Limited、
Tissin Co.,Ltd.、Valmet Automation Oy、WOODWARD,INC. 他 約250社
Cooperating companies
浅間合成株式会社、株式会社宇田製作所、株式会社内野製作所、有限会社宇宙堂技研、株式会社協和富士、株式会社ゼータ、
株式会社徳力本店、柏都電機工業株式会社、株式会社弥生精機製作所、山梨賛友株式会社  about 200 companies

Offices

Headquarters

〒205-0023
3-2-8, Shinmeidai, Hamura, Tokyo, Japan 205-0023

TEL:+81-042-554-5900/FAX:+81-042-554-5901

Tokyo office

〒205-0023
3-2-8, Shinmeidai, Hamura, Tokyo, Japan 205-0023

TEL:+81-042-554-5900/FAX:+81-042-554-5901
  • 15 minutes walk from the Hamura Station (JR Ome line)


History

1952
Tatsujiro Kogure, founder of the company, establishes Midori Sokki Kenkyusho Co.
Focuses on development of heliostats and other wire-wound potentiometers
1961
Establish Chofu plant in Chofu City, Tokyo
1962
Establish Osaka office in Nishi-ku, Osaka City
1969
Develop the conductive plastic resistive potentiometer, Green POT
1971
Move the headquarter to Chofu plant
1973
Establish Hamura Midori Co., Ltd. as a production base for the Green POT in Hamura City, Tokyo.
Develop the magnetic resistive potentiometer, Blue POT
1977
Change company name to Midori Precisions
1996
Merged with Hamra Midori Co., Ltd.
1998
Develop Hall IC potentiometer, Orange POT
2000
ISO9001 certified (JQA-QM5245)
2001
Move the headquarter to a new building in Hamura City, Tokyo.
2005
ISO14001 certified (JQA-EM5045)
2010
Develop MEMS inclinometer
2017
Develop magnetic encoder
2020
Start development of inductive linear sensors
2021
Start development of optical encoders
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